drm/amdkfd: fix resume error when iommu disabled in Picasso

drm/amdkfd: fix resume error when iommu disabled in Picasso

BugLink: https://bugs.launchpad.net/bugs/1951822
[ Upstream commit 6f4b590aae217da16cfa44039a2abcfb209137ab ]

When IOMMU disabled in sbios and kfd in iommuv2 path,
IOMMU resume failure blocks system resume. Don't allow kfd to
use iommu v2 when iommu is disabled.

Reported-by: youling <youling257@gmail.com>
Tested-by: youling <youling257@gmail.com>
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>